设置您的ClientID，

to set your ClientID,

localStorage.setItem("clientId","someID")

获得

if (localStorage.hasOwnProperty("clientId")) {
    cli_id = localStorage.getItem("clientId")
}
else {
    cli_id = localStorage.setItem("clientId","someID") // here someid from your google analytics fetch
}
console.log(cli_id)